How To Fix CNV20305613 - Problem in routine CNV_20305_REFDOCNR: Unknown type (REFDOCCT)

CNV20305613 - Overview

• Message type: E = Error

• Message class: CNV20305 - Messages for conversion packages in CO

• Message number: 613

• Message text: Problem in routine CNV_20305_REFDOCNR: Unknown type (REFDOCCT)

What causes this issue?

Routine CNV_20305_REFDOCNR converts a field based on the type in field
REFDOCCT.
An unknown type occurred during the conversion: &V1&.
Additional information: The value of the field that is meant to be
converted is &V2&.

System Response

The routine cannot convert the current field.
However the conversion is continued for the other fields and records.

How to fix this error?

An analysis is required to find out how the routine should react to the
unknown type; if necessary, the routine must be changed accordingly.

Error message extract from SAP system. Copyright SAP SE.

CNV20305613 - Details

• The SAP error message CNV20305613, which indicates a problem in the routine CNV_20305_REFDOCNR due to an "Unknown type (REFDOCCT)," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  
  Data Type Mismatch: The error suggests that the routine is encountering a reference document type (REFDOCCT) that it does not recognize. This could be due to a missing or incorrectly defined data type in the migration settings or mapping.
  
  Configuration Issues: There may be configuration issues in the source or target system that lead to the system not recognizing the document type.
  Custom Development: If there are custom developments or enhancements in the system, they might not be properly integrated with the migration routines.
  
  
  Solution:
  
  Check Data Mapping: Review the data mapping settings in the migration cockpit or the relevant migration tool. Ensure that all document types are correctly defined and mapped.
  Update Migration Objects: If you are